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Brick Bat Coba |
A. Providing and laying integral cement based water proofing treatment including preparation of surface as required for treatment of roofs ,balconies , terrace etc, consisting of following operations. |
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- Applying and grouting a slurry coat of neat cement using 2.75 kg/sqm. Of cement admixed with proprietary water proofing compound over the RCC slab including cleaning the surfacebefore treatment.
- Laying cement concrete using broken bricks/brick bats 25mm to 100mm size with 50% of cement mortar (1 cement : 5 coarse sand) admixed with proprietary water proofing compound to required slope and treating similarly the adjoining walls upto 300mm height including rounding of junctions of walls and slabs.
- After 2 days of proper curing applying a second coat of cement slurry admixed with proprietary water proofing compound.
- Finishing the surface with 20mm thick jointless cement mortar of mix 1:4 (1 cement : 4 coarse sand) admixed with proprietary water proofing compound and finally finishing the surface with trowel with neat cement slurry and making of 300X300 mm square.
- The whole finished shall be flooded with water for a minimum period of two weeks for curing and for final test. All above operations to be done in order and as directed and specified by the Engineer-in-charge.
- With average thickness of 120 mm and minimum thickness at khurra as 65 mm.
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